LD6 DIPPER ARM INSTALLATION
12
The LD6 dipper arm (crowd) assembly, Fig. 1, is
shipped assembled with the exception of the adaptor
fittings and the retaining pin and bolt. The retaining
bolt and pin are shipped installed in the main boom
assembly. Attach the dipper arm to the main boom in
the following manner:
(1) Remove the 1” x 6 ½” plated bolt (Item 8 in the
main boom assembly) from the main boom. Using an
overhead hoist, raise the main boom until the dipper
arm (Item 1) can be inserted between the side plates on
the top end of the main boom as shown in Fig. 2. Re-
insert the 1” x 6 ½” plated bolt from the left side
through the boom and the dipper arm. Secure the bolt
with a 1” self-locking hex nut (Item 9 in the main boom
assembly).
Fig. 2
(2) Raise rod end of dipper (crowd) cylinder and slide
the cylinder clevis astraddle the top anchor lug on the
dipper arm as shown in Fig. 3. Secure the cylinder to
the dipper arm with a 1” x 3” cylinder pin (Item 6 in the
main boom assembly) and two each bobby pin clips
(Item 7 in the main boom assembly).
Fig. 3
(3) Install one each of the SAE 6 O-Ring to JIC 6 Flare
straight adapter fittings (Item 1 in box parts) into each
of the ports of the bucket cylinder (Item 5).
1
8 9
7
7
6
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